<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */

class UserIdentity extends CUserIdentity
{
    public $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
        $user = TblUser::model()->find('username=:username', array(':username' => $this->username));
        if (!$user) {
            $this->errorCode = self::ERROR_USERNAME_INVALID;
        } elseif ($user->password !== $this->password) {
            $this->errorCode = self::ERROR_PASSWORD_INVALID;
        } else {
            $this->_id = $user->id;

            $this->errorCode = self::ERROR_NONE;
            $this->setState('email', $user->email);
        }

//		$users=array(
//			// username => password
//			'demo'=>'demo',
//			'admin'=>'admin',
//		);
//		if(!isset($users[$this->username]))
//			$this->errorCode=self::ERROR_USERNAME_INVALID;
//		elseif($users[$this->username]!==$this->password)
//			$this->errorCode=self::ERROR_PASSWORD_INVALID;
//		else
//			$this->errorCode=self::ERROR_NONE;
//		return !$this->errorCode;
        return !$this->errorCode;
	}
}